Saint John weather in December (New Brunswick, Canada)
Looking to travel to Saint John in December? Check out this comprehensive weather guide.
In December, Saint John generally has low temperatures and high snow/rainfall. December falls within the winter season. Daytime temperatures hover around 3°C, while nights can cool down to about -5°C. The month is chilly, so ensure you're equipped and dress warmly. Preparation becomes key in these temperatures.
Saint John in December usually receives high snow/rainfall, averaging around 140 mm for the month. Since this is the rainiest month of the year, it's a good idea to carry an umbrella just in case. Based on our climate data of the past 30 years, about 15 days of snow/rain are anticipated.
If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Saint John. July and August typically offer the most optimal weather. In contrast, January, February, March, April, May, October, November and December tend to have less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized Saint John climate page with graphs.
Saint John, monthly averages in December
Min Temperature
-5°C
Max Temperature
3°C
Chance of Rain
49%
Precipitation
140 mm
Rainy days
15 days
Where to go in Canada in December
Find out more about the weather in Canada in December and which places have the best weather conditions in this month.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in Saint John in December?
Wear a base layer in cold weather; this is the #1 thing you can do to increase your overall body temperature.What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do in December.
Interested in more climate information?
Weather and Climate provides you with all the information you need about the climate in Saint John.
Our site offers climate and forecast data for every country in the world. Are you going to Canada? On this website you can find historical weather averages for many cities in Canada. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.
